package com.hc.common.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

/**
 * 全局跨域请求
 */
@Configuration
public class GlobalCorsConfig {
    @Bean
    public CorsFilter corsFilter() {
        //1. 添加 CORS配置信息
        CorsConfiguration config = new CorsConfiguration();
        //放行哪些原始域
        config.addAllowedOriginPattern(CorsConfiguration.ALL);
        //是否发送 Cookie
        config.setAllowCredentials(true);
        //放行哪些请求方式
        config.addAllowedMethod(CorsConfiguration.ALL);
        //放行哪些原始请求头部信息
        config.addAllowedHeader(CorsConfiguration.ALL);
        //暴露哪些头部信息
        config.addExposedHeader(CorsConfiguration.ALL);
        //2. 添加映射路径
        UrlBasedCorsConfigurationSource corsConfigurationSource = new UrlBasedCorsConfigurationSource();
        corsConfigurationSource.registerCorsConfiguration("/**",config);
        //3. 返回新的CorsFilter
        return new CorsFilter(corsConfigurationSource);
    }
}